#37A9CE#37A9CE

#37A9CE is a light, moderate cyan. Relative luminance 0.336; OKLCH L 68.7% C 0.113 H 224.1°. Best body text is #000000 at 7.73:1 contrast (WCAG AA passes).

Color values

HEX#37A9CE
RGBrgb(55, 169, 206)
HSLhsl(195, 61%, 51%)
HSVhsv(195, 73%, 81%)
CMYKcmyk(73.3%, 18%, 0%, 19.2%)
CIE-LABlab(64.68, -19.47, -27.96)
CIE-LCHlch(64.68, 34.07, 235.15°)
OKLaboklab(68.75% -0.0809 -0.0783)
OKLCHoklch(68.75% 0.113 224.1)
XYZxyz(26.8995, 33.6412, 63.4563)
Luminance0.3364 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#37A9CE #CE5C37
analogous
#37CEA7 #37A9CE #375DCE
triadic
#37A9CE #CE37A9 #A9CE37
tetradic
#37A9CE #A737CE #CE5C37 #5DCE37
square
#37A9CE #A737CE #CE5C37 #5DCE37
split-complementary
#37A9CE #CE375D #CEA737
monochromatic
#1B5B6F #2783A0 #37A9CE #68BEDA #99D3E6

Accessibility & contrast

On white

2.72
#37A9CE on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.73
#37A9CE on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #37A9CE
7.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##37A9CE#FFFFFF#000000##000000
##37A9CE1.002.727.737.73
#FFFFFF2.721.0021.0021.00
#0000007.7321.001.001.00
##0000007.7321.001.001.00

Color blindness preview

Protanopia (red-blind)
#94A5D0
Deuteranopia (green-blind)
#8096CE
Tritanopia (blue-blind)
#00B4B5
Achromatopsia (no color)
#9D9D9D

Design tokens & code

CSS
--color: #37a9ce;
/* rgb */ color: rgb(55, 169, 206);
/* oklch */ color: oklch(68.7% 0.113 224.1);
Tailwind
colors: {
  custom: {
    50: '#83c2dd',
    500: '#37a9ce',
    950: '#000000',
  },
}
SCSS
$custom: #37a9ce;
$custom-light: #83c2dd;
$custom-dark: #000000;
JSON
{
  "hex": "#37a9ce",
  "rgb": {
    "r": 55,
    "g": 169,
    "b": 206
  },
  "hsl": {
    "h": 194.702,
    "s": 60.643,
    "l": 51.176
  },
  "oklch": {
    "l": 0.68745,
    "c": 0.11258,
    "h": 224.1
  },
  "luminance": 0.33644
}

Semantic roles & 50–950 ramp

primary
#37A9CE
secondary
#D29F8F
accent
#6B44E4
background
#F8FBFD
surface
#F0F7FB
border
#CBD0D4
text
#0C1215
muted
#7D8183

Preview Lab

Preview with #37A9CE

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →

#37A9CE Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva